measure

  1. D

    Multimeter for low current DC use...

    Hello lovely people, been ages since my last post. Who can recommend a reasonably priced multimeter to diagnose a van which is flattening it's battery... They all seem to spec the highest direct current they can handle, but I'm interested in how low they can go reliably... Van battery is...
  2. eckardt

    Show Your Test & Measurement Instruments

    Metrel MI 2077 TeraOhm 5 kV Chauvin Arnoux C.A 6410 Metrel MW9600 Metrel Eurotest 61557 - MI 2086 Metrel Test Leads
  3. A

    Advent tape measure

    Anyone have one of these kicking about not needed ? Would sell it ? I lost the identical tape beginning of the year would like to replace it, tiered of trolling eBay Hopefully some you guys can help me
  4. S

    r1+r2. calculate or measure...

    Please discuss...
  5. H

    Loop method using Fluke 1653

    Hi all! I tried to measure earth resistance by loop method using fluke 1653 at MR system (TN) in hospital. But got abnormal results. The primary (upper) display showed 0.16 - 0.2 (loop impedance) and secondary - 0.0 - 0.1 (earth resistance) Is there some limitations using this method? Cant find...
  6. D

    high pfc domestic property

    hi, fitted new consumer in a domestic house. testing. ze 0.16 zs at origin 0.04 pfc 6.2ka the pfc is my problem, ohms law would make the pfc work out around 5.7Ka (using 0.04 as your resistance) (with all paths in place) using megger 1553 two lead test, high current, pefc and pscc are the...
  7. S

    2volts on a disconnected cable?!?

    I've recently been sent to complete a re wire for another contractor and there is a cable which isn't connected to the consumer unit which shows 2volts on it! is there a reason for this? I'd it potentially dangerous? How can I correct it? It's on one leg off the ring main in the kitchen. Any...
  8. A

    Volt drop on outside lighting

    I got called to a job this afternoon, it's outside lighting, about a 1000w of lamps on the whole circuit, and when trying to quote for it done a few calcs and the volts drop is massive, it's 24 volts, the circuit is run in 3 core 4mm swa, and is 300m in length, now I know that it's well over the...
    • allybally
    • Thread
    • cable circuit existing lighting measure outside volt drop volts
    • Replies: 20
    • Forum: UK Electrical Forum
  9. P

    Megger Question...

    Hi All, does anyone know, when testing Ze on the Megger, and also getting the PFC at the same time, if the PFC provided is the higher of the PEFC and PSSC? ie, does it carry out both PFC tests simultaneously and provide worst case result or does it just test for the PEFC? Thanks in advance! Ps...
  10. G

    aaand just for good measure we're getting an HMRC VAT inspection.

    please allocate 2 full days to an audit of your VAT accounts from the point you registered.... brilliant, just what we needed. At some point between our PV & SWH MCS inspection last month, end of year accounts, and planned heat pump and biomass MCS inspection later this month, and now a 2 day...
  11. kingeri

    EFLI - measure or calculate?

    Just wondering what you guys generally do to determine the EFLI of a circuit during testing. Do you calculate it, as in Zs=Ze+(r1+r2), or do you measure for each circuit, or both. I tend to calculate it these days, simply as it's quicker, but just wondered what others do.
  12. T

    Unable to measure Ze

    Hi all. I've done an install and carried out all tests except Ze. The site is a large electronics factory. The install is supplied from a sub board but the board supplies equipment required to be on 24/7. I've heard about contacting the DNO. Any advice would be appreciated. Thomas
  13. sjhall

    bosch laser measure DLR130K

    bosch laser measure DLR130K as new with carry pouch £45 posted
  14. ses

    Triple set of ladders for sale

    Heavy duty triple set of ladders for sale Not sure on exact height as yet but as long as my ford transit medium wheelbase roof £60 collected camberley Surrey
  15. i=p/u

    New Zealand Water heater thermostat ...

    Goooday all... How do you test a water heater stat is doing its job or the correct way of testing it. My hot water would take your skin off for ages but as the cupboard is getting cleared out/ cleaned up thought I'd sort it. heres what I'd say but could be easier or safer way of doing it...
    • i=p/u
    • Thread
    • doing heater measure stick switch termostat thermostat water
    • Replies: 6
    • Forum: UK Electrical Forum
  16. W

    Green Deal Measure Question

    Guys, we are taking the plunge and going for green deal accreditation pas 2030, I understand its a paperwork excersise through our niceic membership including PV. therefore we need to marry the new technologies into our QMS. however we are going to add on additional...
  17. N

    Question regarding PFC on a sub board.

    Hi I am trying to carry out Prospective fault Current (PFC) test on a sub board that that is RCD protected and is fed by a main board. My question is how to carry out this PFC (short circuit or earth fault) on the sub board? Do we put the Main switch off in the main board and place the line...
  18. dez0178

    How do you measure an earth electrode using an ELI Tester?

    Hi, I am in my last year of City and guilds c2330 Level 3, busy doing some test papers. Stuck on a question stating show a simple diagram how the resistance of an earth electrode could be measured using an ELI Tester. Never done this before, looked every where for this, What is an ELI tester and...
  19. S

    Fluke 1654B loop measurement - how does it measure the Re bit?

    Hi Guys, I've just swapped over to a Fluke 1654B MFT and I have a question about measuring the Re using the loop test function. Anyway, on the full caffeine loop test there is a little button where you can toggle the lower display to swap between PEFC measurement and the Re element of the Ze...
  20. D

    bs no. of main supply fuse (attached pic)

    Does anyone know the bs no of the fuse on the attached pic and how do I find out the earthing arrangment without taking the cover off?

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